#include "hal_data.h"
#include <stdio.h>
FSP_CPP_HEADER
void R_BSP_WarmStart(bsp_warm_start_event_t event);
FSP_CPP_FOOTER

void printf_usart(void);

fsp_err_t err = FSP_SUCCESS;
volatile bool uart_send_complete_flag = false;

uint8_t RxBuff[1];      //进入中断接收数据的数组
uint8_t DataBuff[5000]; //保存接收到的数据的数组
int RxLine=0;           //接收到的数据长度
int Rx_flag=0;                  //接受到数据标志
int Rx_flag_finish=0;                  //接受完成或者时间溢出
void user_uart_callback (uart_callback_args_t * p_args)
{
    if(p_args->event == UART_EVENT_TX_COMPLETE)
    {
        uart_send_complete_flag = true;
    }
    if(p_args->event ==     UART_EVENT_RX_CHAR)
    {
        RxBuff[0] = p_args->data;
        RxLine++;                      //每接收到一个数据，进入回调数据长度加1
        DataBuff[RxLine-1]=RxBuff[0];  //把每次接收到的数据保存到缓存数组
        Rx_flag=1;
        if(RxBuff[0]==0xff)            //接收结束标志位，这个数据可以自定义，根据实际需求，这里只做示例使用，不一定是0xff
        {
            Rx_flag_finish=1;
        }
        RxBuff[0]=0;
        err = R_GPT_Reset(&g_timer0_ctrl);
        assert(FSP_SUCCESS == err);
    }
}
#ifdef __GNUC__                                 //串口重定向
    #define PUTCHAR_PROTOTYPE int __io_putchar(int ch)
#else
    #define PUTCHAR_PROTOTYPE int fputc(int ch, FILE *f)
#endif
PUTCHAR_PROTOTYPE
{
        err = R_SCI_UART_Write(&g_uart0_ctrl, (uint8_t *)&ch, 1);
        if(FSP_SUCCESS != err) __BKPT();
        while(uart_send_complete_flag == false){}
        uart_send_complete_flag = false;
        return ch;
}
int _write(int fd,char *pBuffer,int size)
{
    for(int i=0;i<size;i++)
    {
        __io_putchar(*pBuffer++);
    }
    return size;
}
/* Callback function */
    void timer0_callback(timer_callback_args_t *p_args)
{
        /* TODO: add your own code here */
        if (TIMER_EVENT_CYCLE_END == p_args->event)
        {
            if(Rx_flag==1)
            {
                printf_usart();
                Rx_flag=0;
            }
        }
}
void hal_entry(void)
{
    /* TODO: add your own code here */
    /* Open the transfer instance with initial configuration. */
    err = R_SCI_UART_Open(&g_uart0_ctrl, &g_uart0_cfg);
    assert(FSP_SUCCESS == err);
    /* Initializes the module. */
    err = R_GPT_Open(&g_timer0_ctrl, &g_timer0_cfg);
    /* Handle any errors. This function should be defined by the user. */
    assert(FSP_SUCCESS == err);
    /* Start the timer. */
    (void) R_GPT_Start(&g_timer0_ctrl);
          while(1)
          {
              R_BSP_SoftwareDelay(1, BSP_DELAY_UNITS_MILLISECONDS); // NOLINT100->160
              if(Rx_flag_finish==1)
              {
                      printf_usart();
              }
          }
#if BSP_TZ_SECURE_BUILD
      /* Enter non-secure code */
      R_BSP_NonSecureEnter();
  #endif
  }

void printf_usart(void)
{

   printf("length=%d\r\n",RxLine);
   for(int i=0;i<RxLine;i++)
       printf("data:[%d] = 0x%x\r\n",i,DataBuff[i]);
   memset(DataBuff,0,sizeof(DataBuff));  //清空缓存数组
   //memset()作用：可以方便的清空一个结构类型的变量或数组。
   //例句：memset(aTxbuffer,0,sizeof(aTxbuffer))  用memset清空aTxbuffer。
   RxLine=0;  //清空接收长度
   Rx_flag_finish=0;
   Rx_flag = 0;
}

/*******************************************************************************************************************//**
 * This function is called at various points during the startup process.  This implementation uses the event that is
 * called right before main() to set up the pins.
 *
 * @param[in]  event    Where at in the start up process the code is currently at
 **********************************************************************************************************************/
void R_BSP_WarmStart(bsp_warm_start_event_t event)
{
    if (BSP_WARM_START_RESET == event)
    {
#if BSP_FEATURE_FLASH_LP_VERSION != 0

        /* Enable reading from data flash. */
        R_FACI_LP->DFLCTL = 1U;

        /* Would normally have to wait tDSTOP(6us) for data flash recovery. Placing the enable here, before clock and
         * C runtime initialization, should negate the need for a delay since the initialization will typically take more than 6us. */
#endif
    }

    if (BSP_WARM_START_POST_C == event)
    {
        /* C runtime environment and system clocks are setup. */

        /* Configure pins. */
        R_IOPORT_Open (&g_ioport_ctrl, g_ioport.p_cfg);
    }
}

#if BSP_TZ_SECURE_BUILD

BSP_CMSE_NONSECURE_ENTRY void template_nonsecure_callable ();

/* Trustzone Secure Projects require at least one nonsecure callable function in order to build (Remove this if it is not required to build). */
BSP_CMSE_NONSECURE_ENTRY void template_nonsecure_callable ()
{

}
#endif
